Never say in grief you are sorry he's gone. Rather, say in thankfulness you are grateful he was here.
Source, in full
Remark originally made to Portland Mason shortly after the death of her father James Mason (circa late July or early August, 1994), later placed on his headstone; as quoted in "15 years after his death, film star finds rest" by Dan Glaister, in The Guardian (10 March 1999)